44308729 has 2 divisors, whose sum is σ = 44308730. Its totient is φ = 44308728.

The previous prime is 44308717. The next prime is 44308751. The reversal of 44308729 is 92780344.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39087504 + 5221225 = 6252^2 + 2285^2 .

It is a cyclic number.

It is not a de Polignac number, because 44308729 - 2¹¹ = 44306681 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (44308799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22154364 + 22154365.

It is an arithmetic number, because the mean of its divisors is an integer number (22154365).

Almost surely, 2^44308729 is an apocalyptic number.

It is an amenable number.

44308729 is a deficient number, since it is larger than the sum of its proper divisors (1).

44308729 is an equidigital number, since it uses as much as digits as its factorization.

44308729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 44308729 is about 6656.4802260654. The cubic root of 44308729 is about 353.8586074976.

The spelling of 44308729 in words is "forty-four million, three hundred eight thousand, seven hundred twenty-nine".